diff --git a/kamailio/default.cfg b/kamailio/default.cfg
index a686b05..7dce53c 100644
--- a/kamailio/default.cfg
+++ b/kamailio/default.cfg
@@ -159,6 +159,7 @@ loadmodule "sdpops.so"
 loadmodule "htable.so"
 modparam("htable", "htable", "associations=>size=16;autoexpire=7200")
 modparam("htable", "htable", "redirects=>size=16;autoexpire=5")
+modparam("htable", "db_url", "KAZOO_DB_URL")
 
 ####### RTIMER module ##########
 loadmodule "rtimer.so"